MK 9143N

Monitoring of 50/60 Hz current supply on over- and under frequency
Monitoring of local generator sets and voltage supplies
Separately adjustable trip points and separate outputs for over- and underfrequency
Start up delay 0…30 s selectable
Manual or auto reset selectable
Universal freguency measuring input for AC 40 … 550 V
LED indicators for auxiliary supply, input frequency, over and under frequency alarm
Output 2 changeover contacts

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Modular connectors (4)